Question

It was late in the evening. Mr King asked his daughter ________ the light and go to bed.

1. A.
   turn off
2. B.
   turns off
3. C.
   to turn off
4. D.
   turning off

Answer 1

C
此题为ask sb. to do sth.结构，意为“要求某人做某事”，ask sb. not to do sth.“要求某人不要做某事”。